Amcrest HD NVR technology transmits up to 4K video over Ethernet, allowing for long-distance and cost-effective HD video transmission. The signal is transmitted at a maximum throughput of 80Mbps which eliminates latency and allows for real-time, highly reliable video security without loss or delay. This product may contain components or involve entities which are not NDAA compliant. The cameras connect directly to the NVR providing a painless, non-complex plug-and-play setup process and can be installed up to 300ft away. In addition, the HD NVR is smartphone compatible (iPhone, Android) as well as viewable over the internet using standard web-browsers.